Bound photostat of a manual for a Hollerith calculating machine, Das Hollerith - Lochkartenverfahren: Der Steuerapparat und seine Verwendung [The Hollerith - punch card method: The control apparatus and its use] 39 p. ; ill. title page, bottom left, pencil : Leyffart
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Manual explaining the control apparatus and use of a Hollerith punch card machine.User manual for Hollerith machine with diagrams of punch cards. Pamphlet with beige paper covers and inserted pages held with metal clamp.
The pamphlet was donated to the United States Holocaust Memorial Museum in 1990 by the Technische Sammlungen Dresden.
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Manual